Circuit Protection – Mouser Estonia

.hide-partial { max-height: none; } .show-more { display: none; }

Portable Medical Devices & Connected Drug Delivery

Littelfuse Portable Medical Devices and Connected Drug Delivery Systems feature a range of products ideal for use in wearables, digital hearing aids, insulin pumps, blood pressure monitors, and connected pharmaceutical delivery devices such as auto-injectors and inhalers. Portable and connected devices are changing how medical services are delivered to patients. These connected healthcare products from Littelfuse help lower healthcare costs, improve efficiency, and empower patients.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 202

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A

0805L300SLWR
Littelfuse
1: 2,26 €
4.830In Stock
9.000Expected 8/28/2026

Mfr. Part No.
0805L300SLWR

Mouser Part No
576-0805L300SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A

Learn More

Datasheet

4.830In Stock

9.000Expected 8/28/2026

Cut Tape

2,26 €

1,87 €

1,74 €

1,44 €

View

Reel

1,01 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A

1206L075SLYR
Littelfuse
1: 1,62 €
6.303In Stock

Mfr. Part No.
1206L075SLYR

Mouser Part No
576-1206L075SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A

Learn More

Datasheet

6.303In Stock

Cut Tape

1,62 €

1,49 €

1,23 €

1,13 €

View

Reel

0,789 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.10A

1206L110SLYR
Littelfuse
1: 1,62 €
10.510In Stock

Mfr. Part No.
1206L110SLYR

Mouser Part No
576-1206L110SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.10A

Learn More

Datasheet

10.510In Stock

Cut Tape

1,62 €

1,49 €

1,23 €

1,12 €

View

Reel

0,789 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

1206L150/12SLYR
Littelfuse
1: 2,77 €
5.212In Stock

Mfr. Part No.
1206L150/12SLYR

Mouser Part No
576-1206L150/12SLYR

Littelfuse

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

5.212In Stock

Cut Tape

2,77 €

2,32 €

2,19 €

2,12 €

View

Reel

1,42 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

1206L150SLYR
Littelfuse
1: 1,62 €
5.132In Stock

Mfr. Part No.
1206L150SLYR

Mouser Part No
576-1206L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

5.132In Stock

Cut Tape

1,62 €

1,35 €

1,23 €

1,13 €

View

Reel

0,93 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2A

1206L200SLYR
Littelfuse
1: 1,62 €
4.175In Stock

Mfr. Part No.
1206L200SLYR

Mouser Part No
576-1206L200SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2A

Learn More

Datasheet

4.175In Stock

Cut Tape

1,62 €

1,45 €

1,20 €

1,11 €

View

Reel

0,789 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2.6A

1206L260SLTHYR
Littelfuse
1: 1,62 €
4.045In Stock

Mfr. Part No.
1206L260SLTHYR

Mouser Part No
576-1206L260SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2.6A

Learn More

Datasheet

4.045In Stock

Cut Tape

1,62 €

1,49 €

1,23 €

1,13 €

View

Reel

0,93 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD

1206L400/12SLWR
Littelfuse
1: 2,17 €
5.006In Stock

Mfr. Part No.
1206L400/12SLWR

Mouser Part No
576-1206L400/12SLWR

Littelfuse

Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD

Learn More

Datasheet

5.006In Stock

Cut Tape

2,17 €

1,79 €

1,65 €

1,38 €

View

Reel

0,998 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

1206L450SLWR
Littelfuse
1: 2,11 €
3.979In Stock

Mfr. Part No.
1206L450SLWR

Mouser Part No
576-1206L450SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

Learn More

Datasheet

3.979In Stock

Cut Tape

2,11 €

1,86 €

1,74 €

1,64 €

View

Reel

0,98 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

1206L500/12SLPR
Littelfuse
1: 2,17 €
3.779In Stock

Mfr. Part No.
1206L500/12SLPR

Mouser Part No
576-1206L500/12SLPR

Littelfuse

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

Learn More

Datasheet

3.779In Stock

Cut Tape

2,17 €

1,79 €

1,65 €

1,38 €

View

Reel

0,998 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Resettable Fuses - PPTC 6V 5.0A-HD 50A MAX

1206L500SL-VWR
Littelfuse
1: 2,31 €
8.000In Stock

Mfr. Part No.
1206L500SL-VWR

Mouser Part No
576-1206L500SL-VWR

Littelfuse

Resettable Fuses - PPTC 6V 5.0A-HD 50A MAX

Learn More

Datasheet

8.000In Stock

Cut Tape

2,31 €

1,92 €

1,77 €

1,47 €

View

Reel

1,03 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD

1206L600SLWR
Littelfuse
1: 2,22 €
5.769In Stock

Mfr. Part No.
1206L600SLWR

Mouser Part No
576-1206L600SLWR

Littelfuse

Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD

Learn More

Datasheet

5.769In Stock

Cut Tape

2,22 €

1,83 €

1,69 €

1,41 €

View

Reel

0,972 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A

1210L350SLWR
Littelfuse
1: 2,17 €
5.412In Stock

Mfr. Part No.
1210L350SLWR

Mouser Part No
576-1210L350SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A

Learn More

Datasheet

5.412In Stock

Cut Tape

2,17 €

1,79 €

1,65 €

1,38 €

View

Reel

0,998 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 6V 9.0A-HD 50A SMD

1210L900SLPR
Littelfuse
1: 2,17 €
5.492In Stock

Mfr. Part No.
1210L900SLPR

Mouser Part No
576-1210L900SLPR

Littelfuse

Resettable Fuses - PPTC 6V 9.0A-HD 50A SMD

Learn More

Datasheet

5.492In Stock

Cut Tape

2,17 €

1,81 €

1,65 €

1,38 €

View

Reel

0,998 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD

1812L300/24SLER
Littelfuse
1: 2,17 €
7.360In Stock
12.500Expected 1/21/2027

Mfr. Part No.
1812L300/24SLER

Mouser Part No
576-1812L300/24SLER

Littelfuse

Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD

Learn More

Datasheet

7.360In Stock

12.500Expected 1/21/2027

Cut Tape

2,17 €

1,81 €

1,65 €

1,38 €

View

Reel

0,998 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX

2920L600/24SLER
Littelfuse
1: 3,03 €
2.247In Stock
4.898Expected 8/28/2026

Mfr. Part No.
2920L600/24SLER

Mouser Part No
576-2920L600/24SLER

Littelfuse

Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX

Learn More

Datasheet

2.247In Stock

4.898Expected 8/28/2026

Cut Tape

3,03 €

2,51 €

2,31 €

1,93 €

View

Reel

1,46 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

SMAJ12CA
Littelfuse
1: 0,387 €
60.603In Stock
40.000Expected 9/30/2026

Mfr. Part No.
SMAJ12CA

Mouser Part No
576-SMAJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

Learn More

Datasheet

60.603In Stock

40.000Expected 9/30/2026

Cut Tape

0,387 €

0,22 €

0,165 €

0,137 €

Reel

0,083 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

SMAJ14A
Littelfuse
1: 0,37 €
33.827In Stock

Mfr. Part No.
SMAJ14A

Mouser Part No
576-SMAJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

Learn More

Datasheet

33.827In Stock

Cut Tape

0,37 €

0,22 €

0,142 €

0,105 €

View

Reel

0,065 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

SMAJ15CA
Littelfuse
1: 0,353 €
74.310In Stock

Mfr. Part No.
SMAJ15CA

Mouser Part No
576-SMAJ15CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

Learn More

Datasheet

74.310In Stock

Cut Tape

0,353 €

0,183 €

0,159 €

0,12 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 16V 5% Bi-Directional

SMAJ16CA
Littelfuse
1: 0,413 €
17.300In Stock
50.000Expected 10/29/2026

Mfr. Part No.
SMAJ16CA

Mouser Part No
576-SMAJ16CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 16V 5% Bi-Directional

Learn More

Datasheet

17.300In Stock

50.000Expected 10/29/2026

Cut Tape

0,413 €

0,194 €

0,163 €

0,122 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

SMAJ220CA
Littelfuse
1: 0,834 €
8.102In Stock

Mfr. Part No.
SMAJ220CA

Mouser Part No
576-SMAJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

Learn More

Datasheet

8.102In Stock

Cut Tape

0,834 €

0,522 €

0,338 €

0,259 €

Reel

0,184 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

SMAJ22A
Littelfuse
1: 0,404 €
33.029In Stock
40.000Expected 2/9/2027

Mfr. Part No.
SMAJ22A

Mouser Part No
576-SMAJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

Learn More

Datasheet

33.029In Stock

40.000Expected 2/9/2027

Cut Tape

0,404 €

0,183 €

0,155 €

0,118 €

Reel

0,071 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

SMAJ24A
Littelfuse
1: 0,387 €
47.312In Stock
70.000Expected 1/26/2027

Mfr. Part No.
SMAJ24A

Mouser Part No
576-SMAJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

Learn More

Datasheet

47.312In Stock

70.000Expected 1/26/2027

Cut Tape

0,387 €

0,183 €

0,155 €

0,12 €

View

Reel

0,065 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

SMAJ250CA
Littelfuse
1: 0,826 €
7.807In Stock
10.000Expected 11/30/2026

Mfr. Part No.
SMAJ250CA

Mouser Part No
576-SMAJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

Learn More

Datasheet

7.807In Stock

10.000Expected 11/30/2026

Cut Tape

0,826 €

0,378 €

0,333 €

0,255 €

View

Reel

0,181 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

SMAJ26CA
Littelfuse
1: 0,396 €
17.104In Stock
50.000Expected 8/24/2026

Mfr. Part No.
SMAJ26CA

Mouser Part No
576-SMAJ26CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

Learn More

Datasheet

17.104In Stock

50.000Expected 8/24/2026

Cut Tape

0,396 €

0,194 €

0,17 €

0,127 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Portable Medical Devices & Connected Drug Delivery

Types of Circuit Protection

Customer Service Office

Company

Resources

Support